Adams County IL Information


Adams County Subdivisions

Adams County IL Data & Demographics (As of July 1, 2018)


Total Population 67,323
Population in Households 65,093
Population in Familes 51,910
Population in Group Qrtrs 2,230
Population Density2 79
Diversity Index3 17


Median Household Income $50,883
Average Household Income $66,199
Per Capita Income $27,353


Total Housing Units 30,381 (100%)
Owner Occupied HU 20,176 (66.4%)
Renter Occupied HU 7,298 (24.0%)
Vacant Housing Units 2,907 ( 9.6%)
Median Home Value $117,059
Average Home Value $151,125


Total Households 27,474
Average Household Size 2.37
Family Households 17,476
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.04% -0.12%
Households 0.04% -0.13%
Families -0.14% -0.26%
Median Household Income   2.33%
Per Capita Income   2.82%


Adams County IL - Peer Comparisons by Rank and Percentile

The table below compares Adams County to the other 102 counties and county equivalents in Illinois by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 23 78th
Population Density # 32 70th
Diversity Index # 60 42nd
Median Household Income # 48 54th
Per Capita Income # 48 54th

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.